OpenAI's newest gpt-oss-20b model lets your Mac run ChatGPT-style AI with no subscription, no internet, and no strings attached. Here's how to get started.

Ollama will use every resource it can when running the model, so your Mac may slow to a crawl while the model is thinking. My best Mac is a 15-inch M4 MacBook Air with 16GB RAM.

In this guide, we will share with you the different methods that you can use to run DeepSeek locally on your Windows or Mac PCs.